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SZS series gas-fired (oil-fired) steam boiler

SZS series boiler is designed with longitudinal double drums and " D " type chamber structure. Furnace is placed on the right and convection tube bank is on the left, super heater is arranged at convection tube bank. The body is fixed on the basement by middle and both end flexible supports and make the boiler expand horizontally sideways. Around the furnace is membrane water cooling tube wall. Furnace and tube bank are totally separated by the membrane water tube cooling wall at the left side o...

SZS series gas-fired (oil-fired) hot water boiler

SZS series boiler is designed with longitudinal double drums and " D " type chamber structure. Furnace is placed on the right and convection tube bank is on the left, super heater is arranged at convection tube bank. The body is fixed on the basement by middle and both end flexible supports and make the boiler expand horizontally sideways. Around the furnace is membrane water cooling tube wall. Furnace and tube bank are totally separated by the membrane water tube cooling wall at the left side o...

WNS series gas-fired (oil-fired) hot water boiler

WNS series horizontal internal combustion boiler is classic 3-pass wetback oil/gas fired boiler. After fuel is atomized by burner, flame is full of the wave furnace and transfer heat via furnace wall, called 1st pass; the high temperature flue gasses are collected in reversal chamber and then enter 2nd pass, which is grooved tube bundle area through heat convection, air temperature gradually falls and flows to front smoke box and enter 3rd pass, which is done in the smooth tube bundle area, and ...

WNS series gas-fired (oil-fired) steam boiler

WNS series horizontal internal combustion boiler is classic 3-pass wetback oil/gas fired boiler. After fuel is atomized by burner, flame is full of the wave furnace and transfer heat via furnace wall, called 1st pass; the high temperature flue gasses are collected in reversal chamber and then enter 2nd pass, which is grooved tube bundle area through heat convection, air temperature gradually falls and flows to front smoke box and enter 3rd pass, which is done in the smooth tube bundle area, and ...

DHL series coal-fired steam boiler

DHL corner tube boiler is field assembled boiler, it uses a piping system as the frame of the entire boiler, and it bears the full load of the boiler, which makes a non-framework boiler. At the same time, this frame also serves as the down comer of the boiler and upper and lower headers. The boiler drum is an external type drum, the furnace is a fully enclosed membrane wall structure, the convective heat absorbing surface adopts the flag tube structure. The corner tube boiler has the advantages ...

DHX coal-fired CFB (circulating fluidized bed) steam boiler

As a new mature high-efficiency and low-pollution clean coal technology, circulating fluidized bed combustion (CFBC) technology has many advantages that other combustion methods do not have. Circulating fluidized bed combustion is low-temperature combustion, so the NOx emission is much lower than 100mg/Nm3. CFBC can desulfurize directly during the combustion process, and the desulfurization efficiency is high. The technology and equipment are simple and economic, and the costs of its initial inv...

SZL series coal-fired steam boiler

SZL series vertical dual drums chain grate water tube steam and hot water boiler, adopts quick fitting and assembly structure. The 4-6t/h boiler is of quick fitting tube structure, exit shop after completely assembled, the boiler of 6-35t/h is composed of 2 main components. The upper assembled component is the boiler proper heat absorbing part, and the lower assembled component is of combustion equipment. The former part of the boiler proper is arranged a membrane wall, the upper part of it is c...

SHX coal-fired CFB (circulating fluidized bed) steam boiler

As a new mature high-efficiency and low-pollution clean coal technology, circulating fluidized bed combustion (CFBC) technology has many advantages that other combustion methods do not have. Circulating fluidized bed combustion is low-temperature combustion, so the NOx emission is much lower than 100mg/Nm3. CFBC can desulfurize directly during the combustion process, and the desulfurization efficiency is high. The technology and equipment are simple and economic, and the costs of its initial inv...

SZL series coal-fired hot water boiler

SZL series vertical dual drums chain grate water tube hot water boiler, adopts quick fitting and assembly structure.The upper assembled component is the boiler proper heat absorbing part, and the lower assembled component is of combustion equipment. The former part of the boiler proper is arranged a membrane wall, the upper part of it is connected to boiler cylinder, and its lower part is connected to collective chest, so as to form a combustion room and absorb the radiated heat from the furnace...

SHX coal-fired CFB (circulating fluidized bed) hot water boiler

The circulating fluidized bed (CFB) boiler adopts the fluidized combustion;the main structure consists of two parts:the combustor (dense phase zone and dilute phase zone) and the circulation loop (the high temperature cyclone separator and return system).Nowadays,the circulating fluidized bed (CFB) boiler has well solved the basic problems on thermology,mechanics and materials science,becoming the advanced technology for energy utilization of non-flammable solid fuels such as coal gangue,oil sha...

DZL series coal-fired hot water boiler

DZL series package boilers are horizontal three-pass water & fire tube boilers with a chain grate stoker structure. Threaded pyrotechnic tubes are arranged in the drum to form a convection heating surface, while the drum and the water walls on both sides form a radiation heating surface in the furnace. Each package system is fully installed and wired before being transported to site and is electrically controlled to provide functions such as stepless speed regulation for the stoker, threshold pa...

DHX coal-fired CFB (circulating fluidized bed) hot water boiler

The circulating fluidized bed (CFB) boiler adopts the fluidized combustion;the main structure consists of two parts:the combustor (dense phase zone and dilute phase zone) and the circulation loop (the high temperature cyclone separator and return system).Nowadays,the circulating fluidized bed (CFB) boiler has well solved the basic problems on thermology,mechanics and materials science,becoming the advanced technology for energy utilization of non-flammable solid fuels such as coal gangue,oil sha...

DHL series biomass-fired steam boiler

DHL corner tube boiler is field assembled boiler, it uses a piping system as the frame of the entire boiler, and it bears the full load of the boiler, which makes a non-framework boiler. At the same time, this frame also serves as the down comer of the boiler and upper and lower headers. The boiler drum is an external type drum, the furnace is a fully enclosed membrane wall structure, the convective heat absorbing surface adopts the flag tube structure. The corner tube boiler has the advantages ...

DZL series biomass-fired steam boiler

DZL series package boilers are horizontal three-pass water & fire tube boilers with a chain grate stoker structure. Threaded pyrotechnic tubes are arranged in the drum to form a convection heating surface, while the drum and the water walls on both sides form a radiation heating surface in the furnace. Each package system is fully installed and wired before being transported to site and is electrically controlled to provide functions such as stepless speed regulation for the stoker, threshold pa...

SHL series biomass-fired steam boiler

This type of boiler has the following advantages: excellent output capacity; fast temperature rising, high thermal efficiency and small covering area; flake type grate without leakage of coal, greatly improved operating reliability and wide adaptability to different fuel types; casting furnace arch and wall; good sealing performance, improved fire conditions, eco-friendly and energy-saving, high-intensity combustion; high level of automation, stable operation, safe and reliable, long service lif...

SZL series coal-fired hot water boiler

SZL series vertical dual drums chain grate water tube hot water boiler, adopts quick fitting and assembly structure.The upper assembled component is the boiler proper heat absorbing part, and the lower assembled component is of combustion equipment. The former part of the boiler proper is arranged a membrane wall, the upper part of it is connected to boiler cylinder, and its lower part is connected to collective chest, so as to form a combustion room and absorb the radiated heat from the furnace...

SZL series biomass-fired hot water boiler

SZL series vertical dual drums chain grate water tube hot water boiler, adopts quick fitting and assembly structure.The upper assembled component is the boiler proper heat absorbing part, and the lower assembled component is of combustion equipment. The former part of the boiler proper is arranged a membrane wall, the upper part of it is connected to boiler cylinder, and its lower part is connected to collective chest, so as to form a combustion room and absorb the radiated heat from the furnace...

DZL series biomass-fired hot water boiler

DZL series package boilers are horizontal three-pass water & fire tube boilers with a chain grate stoker structure. Threaded pyrotechnic tubes are arranged in the drum to form a convection heating surface, while the drum and the water walls on both sides form a radiation heating surface in the furnace. Each package system is fully installed and wired before being transported to site and is electrically controlled to provide functions such as stepless speed regulation for the stoker, threshold pa...

DHL Series coal-fired steam boiler

DHL corner tube boiler is field assembled boiler, it uses a piping system as the frame of the entire boiler, and it bears the full load of the boiler, which makes a non-framework boiler. At the same time, this frame also serves as the down comer of the boiler and upper and lower headers. The boiler drum is an external type drum, the furnace is a fully enclosed membrane wall structure, the convective heat absorbing surface adopts the flag tube structure. The corner tube boiler has the advantages ...

SZL series biomass-fired steam boiler

SZL series vertical dual drums chain grate water tube steam and hot water boiler, adopts quick fitting and assembly structure. The 4-6t/h boiler is of quick fitting tube structure, exit shop after completely assembled, the boiler of 6-35t/h is composed of 2 main components. The upper assembled component is the boiler proper heat absorbing part, and the lower assembled component is of combustion equipment. The former part of the boiler proper is arranged a membrane wall, the upper part of it is c...

YQ(Y)L series gas-fired/oil-fired thermal oil heater

YQL series gas-fired thermal oil boilers have a three-pass round coil structure. A conical coil is used for the effective protection of the furnace wall at the boiler end. This product is equipped with an advanced combustion device and is fully automated in operation. After the burner ignites the fuel, flame fills the round coil tubes and transfers heat by radiation through the tube wall (first pass). The high temperature flue gas gathers at the back door and then turns to the convection tubes s...

YLW series coal-fired/biomass-fired thermal oil heater

YLW thermal oil heater is square coil horizontal chain grate shop-assembled heater, chain grate and heater proper are transferred separately. It adapts chain grate to realize mechanical feeding coal, mechanical venting by blower and induced draft fan, and mechanical discharging by slag machine. Fuel falls on the grate from coal bucket during operating and burning, high temperature smoke enters furnace by passing combustion arch, after radiation heat exchange, smoke enters convection heating sur...

YQ(Y)W series gas-fired/oil-fired horizontal thermal oil heater

YQ(Y)W series gas-fired/oil-fired thermal oil boilers have a three-pass round coil structure. A conical coil is used for the effective protection of the furnace wall at the boiler end. This product is equipped with an advanced combustion device and is fully automated in operation. After the burner ignites the fuel, flame fills the round coil tubes and transfers heat by radiation through the tube wall (first pass). The high temperature flue gas gathers at the back door and then turns to the conve...

RYQ series molten salt heater

Molten salt heaters use molten potassium nitrate and sodium nitrite as heating media. Molten salt heater will heat the powder salt over the melting point until the viscosity of the molten salt allows circulating pump works, after the whole system is under circulating condition, then feed then into the thermal oil heater for further circulating rising temperature to make it to be recycling used. Normal media working temperature is 400-550℃, top working temperature could reach 600℃.

Provide Quality Service
From 32 years.

Wuxi ZOZEN Boilers Co. Ltd. a wholly-owned private enterprise, has been committed to manufacturing, researching and developing industrial boilers since its foundation in 1988. ZOZEN has obtained PRC Grade A Manufacture License of Special Equipment (Boilers), PRC Grade BRⅡ Manufacture License of Special Equipment (Pressure Vessels), ASME 'S' (Power Boilers) and 'U' (Pressure Vessels) stamps and many other international certificates of authorization. ZOZEN has more than 400 varieties and specifications of products including gas-fired boilers, biomass-fired boilers, coal-fired boilers and thermal fluid heaters. After over 30 years' development, ZOZEN has become a leading domestic enterprise industry with the largest production.

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Wuxi Zhongzheng Boiler Co., Ltd
Why choose us
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Complete Qualification Certificates

ZOZEN has passed ISO9001:2000 and obtained PRC Grade A Manufacture License of Special Equipment (Boilers), ASME 'S' (Power Boilers)and 'U'(Pressure Vessels) stamps and many other international certificates of authorization.

Advanced Manufacturing Technology and Equipment

ZOZEN owns over 50 self-developed patented equipment, achieving blanking digitization, automation of welding and assembly moulding, and strictly controls the product quality through the whole process. ZOZEN adopts advanced fully automatic production lines to ensure boiler processing quality and has comprehensive quality test to ensure the high quality of every set of boiler

Customized Boiler System

ZOZEN has a strong boiler R&D team and has built a complete R&D system. ZOZEN can design a suitable boiler system solution according to your actual needs. ZOZEN customized boiler system saves fuel costs for you: annual fuel cost savings for one set of 10 tph steam boiler as high as 10,000 dollars.

Comprehensive and Professional After-sale Service

ZOZEN has professional after-sales service teams to provide technical guidance for the entire installation process and free training for operation and maintenance personnel. ZOZEN promises 12 months free maintain service since delivery,24 hours a day online customer service and 365 days a year with no rest.

News information
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ZOZEN is heading for industry 4.0 with intelligent manufacturing
Sep 25, 2020

The "Industry 4.0" concept was put forward on 8 April 2013 at the Hannover Fair, and was widely recognized by the industry. With the signing of The Action Outline for China-Germany Cooperation, the new era of China's industry 4.0 is coming. Taking the revolutionary production methods of Industry 4.0 for reference, ZOZEN has taken a series of measures to reform and update. ZOZEN builds digital production workshops to realize intelligent production With the rapid development of the age, the futu...

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Uzbekistan is an ancient country of the Silk Road located on the path of the Belt and Road extending to west, which is an important pivot of the silk road. As a strong advocate and firm practitioner of the Road and Belt Initiative, ZOZEN practiced the Friendly initiative of win-win cooperation in depth and successfully built partnerships with AO《NAVOIYAZOT》, a large chemical industry enterprise in Uzbekistan. Navoiyazot is affiliated with the state joint stock company Uzkimyosanoat (chemical i...

Sep 252020

Indonesia is an important base of the global strategy and an important market for Chinese manufacturing industry. As an international boiler supplier, ZOZEN reached a long-term cooperation agreement with PT.Sari Incofood Corporation and many other well-known enterprises in Indonesia, which has strengthened economic and trade cooperation between China and Indonesia and pushed forward the construction of One Belt And One Road. Indonesian coffee has enjoyed a good reputation in the market for a lo...

Sep 252020

A boiler is the essential mechanical equipment in food industry, proving sufficient steam support for each important link of food processing. ZOZEN steam boilers are well known in food industry for the sufficient output and high efficiency, and are well recognized by many famous enterprises such as , PT.Sari Incofood Corporation, CDO Foodsphere.Inc. This time, ZOZEN succeeded to win the favor of the food industry giant Universal Robina Corporation (URC) in the Philippines. Universal Robina Cor...

Sep 252020

As one of the Belt and Road members, Bolivia has more and more economic and trade cooperation with Chinese companies. The boilers introduced by ZOZEN for high altitude areas are welcomed by many industries in Bolivia due to their high efficiency and low energy consumption. Bolivia, a high-altitude landlocked country in central South America, has a lithium resource reserve of 21 million tons, ranking first in the world. Lithium is a key raw material for battery production. In the next few decade...

Sep 252020